6893 2023 lisbon English-speaking jobs in Lisbon

An RLHF Specialist designs, implements, and optimizes feedback pipelines to enhance AI model performance, safety, and alignment with human values. Responsibilities include generating preference data, designing prompts, writing explanations, and collaborating with engineers to analyze model behavior. Requires 2+ years of experience in data annotation, model evaluation, or trust and safety, proficiency in Python and deep learning frameworks, and a deep understanding of reinforcement learning concepts.

Full Stack Engineer Annotator assesses frontend and backend engineering datasets to ensure AI models accurately interpret full-stack workflows.

Security Engineer will build and maintain security tooling, implement identity controls, and develop automated checks for insecure configurations. The role involves supporting secure data handling, contributing to runtime protections, and investigating security alerts.

Design and implement Ubuntu integration for IoT and server hardware platforms. Collaborate with partners to optimize the Ubuntu experience. Participate in technical engagements involving system architectures from cloud to edge.

fostering a culture of involvement, experience, and excellence.Join our team as aJava Developer(Hybrid – Lisbon

QA Engineer to ensure quality across the software development lifecycle. Focus on exploratory testing, system-level validation, and non-functional aspects. Collaborate with engineers and product teams to improve testing practices and evolve QA standards.

Solutions Engineer designs, implements, and optimizes AI-driven customer service solutions for clients. Responsibilities include translating business requirements into technical solutions, configuring workflows and integrations, and ensuring timely and high-quality go-lives. Requires strong API and integration experience, automation mindset, Python proficiency, and excellent communication skills. Preferred experience includes AI/LLMs, low-code/workflow automation, e-commerce, and customer service platforms.

Design, build, and deploy AI-driven applications and services leveraging Machine Learning and Generative AI. Collaborate with cross-functional teams to transform business challenges into scalable AI solutions.

audienceLocation: Portugal (fully remote or hybrid with 1 day/week in the office if you're based in Lisbon

DevOps engineer to design, support, and optimize iProov's distributed infrastructure. Experience with Microservice deployments, Docker, Kubernetes, and cloud technologies (GCP) is required. Strong Linux command line skills and scripting experience are essential.

Develop and maintain Node.Js microservices and React/TypeScript applications. Experience with Kubernetes, Docker, and cloud-native environments is required. Strong understanding of microservice design and API-driven systems.

and identify where "out‐of‐the‐box" features should be prioritized over custom code.Location Lisbon

projects or UI librariesFamiliarity with backend integration via REST, GraphQL, or FirebaseLocation: Lisbon

Develop Java software components using modern practices, including Scrum, automation, and secure REST interfaces. Design, build, and maintain messaging systems with a focus on performance and reliability. Implement automated software testing techniques and manage project deadlines.

and identify where "out-of-the-box" features should be prioritized over custom code.Location Lisbon

Senior Software Engineer to design and implement robust Rust services for Kraken's core infrastructure. Experience building and scaling shared systems, internal platforms, and supporting multiple product roadmaps is required.

SAP Customer Engagement Manager for RISE platform. Provides guidance and technical support to customers on SAP landscape functioning and maintenance. Requires 7+ years of SAP Basis experience, 2+ years of cloud knowledge, and expertise in S/4HANA, HANA database, and SAP upgrades/migrations.

Backend Engineer will design, build, and maintain scalable microservices primarily using Kotlin. Collaborate with cross-functional teams to develop innovative solutions. Analyze system performance and implement optimizations. Participate in code reviews, post-mortems, and mentor other engineers.

International Recruitment Consultant specializing in BPO industries (Customer Service, Call-Center, Sales & Marketing) for multilingual positions across Europe. Manage vacancies, source candidates, conduct interviews, and maintain candidate communication.

Mid/Senior Node.js Developer sought for backend development, API and system integration experience, and familiarity with microservices, cloud environments (AWS preferred), and DevOps practices.